Horizon3.ai

Accountant

• Manage general ledger entries, account reconciliations, and month-end close activities.
• Process invoices, vendor payments, and customer billings and collections with accuracy and timeliness.
• Review and process employee expense reports, ensuring compliance with policy.
• Maintain bank and credit card reconciliations and investigate discrepancies.
• Identify and help implement process and system enhancements to improve efficiency and accuracy.
• Prepare schedules and documentation for annual financial audits and support audit processes.
• Support special finance initiatives and cross-functional ad hoc projects as needed.

Staff Accountant

Product Manager

• Own and accelerate the NodeZero Federal product roadmap and drive product adoption across the full buying committee
• Use analytical and technical expertise to define, deliver, and enhance advanced AI-driven offensive and defensive security capabilities
• Partner with engineering teams to scope and deliver ML- and GenAI-enabled features such as anomaly detection, alert enrichment, and remediation inference
• Define product strategy for AI-enabled capabilities (web application pentesting, threat intelligence, threat detection and response, MCP Server integrations, Agentic workflows)
• Collaborate with attack engineers and business intelligence to translate cybersecurity research into practical detection, response, emerging threats, and attack simulation applications
• Identify market opportunities for NodeZero’s AI cybersecurity offerings across Federal and adjacent markets (Defense Industrial Base)
• Partner with GTM and clients to drive growth and stickiness of capabilities (Risk Based Vulnerability Management, Third Party Supply Chain Risk Management, continuous compliance for CMMC, FedRAMP, NIST 800-53, FISMA)
• Synthesize customer feedback from field interviews, support engagements, and usage data to refine capabilities
• Lead enhancement sprints to improve accuracy, precision, and value of NodeZero generated data and insights
• Monitor usage, adoption, and efficacy of capabilities, make data-informed decisions, and manage roadmap for ownership area
• Report to the Director of Federal Operations and take a leadership role in driving the evolution of AI-powered offerings (currently FedRAMP High)

Senior Product Manager

Site Reliability Engineer

• Architect, deploy, and maintain highly available, secure, and performant database systems across multiple AWS regions. (PostgreSQL and NoSQL)
• Implement automation for database provisioning, scaling, backups, failover, and patch management using Infrastructure as Code (Terraform, Crossplane).
• Establish database observability: design and maintain telemetry for query performance, replication lag, disk I/O, and capacity forecasting.
• Partner with development teams to review schema changes, query plans, and application database interactions for efficiency and scalability.
• Drive incident response for database-related outages, including root cause analysis, remediation, and prevention.
• Maintain compliance with industry standards and security frameworks (encryption, access controls, audit logging).
• Collaborate on disaster recovery planning and ensure tested, reliable backup and restore processes.
• Maintain detailed and accurate technical documentation and operational runbooks.
• Evaluate emerging database technologies and patterns; recommend and implement improvements.

Database Reliability Engineer

Human Resources

Get to Know Us: Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them.
Role summary: HR Business Partner supporting EPD & G&A organizations; responsible for organizational development, talent management, coaching/development, compensation, conflict and performance management, employee relations and more.
Responsibilities: Partnering with functional leaders; providing strategic partnership and counsel; empowering managers; supporting managers with insights and recommendations; planning, driving, executing and monitoring effectiveness; guiding managers on org development and org structure; coaching and cultivating managers; owning performance management and performance review strategy; handling day-to-day needs; managing compensation discrepancy questions; policy interpretation, counseling and training; managing employee relations and investigations; managing leaves of absence; contributing to Manager Training Program; utilizing data and analytics to inform decisions.

HR Business Partner

Revenue Operations

• Reporting: Develop and maintain comprehensive reports to track revenue performance, sales trends, and operational metrics.
• Dashboarding: Design and manage interactive dashboards using tools like Tableau, Power BI, or Salesforce to provide real-time visibility into key performance indicators.
• Performance Metric Monitoring: Monitor and analyze GTM performance metrics, identifying trends, opportunities, and areas for improvement.
• Support GTM Leadership: Partner with GTM leadership to deliver tailored data reporting and insights to support strategic decision-making and forecasting.
• Collaborate with cross-functional teams to streamline data processes and ensure data accuracy and consistency.
• Identify opportunities to optimize revenue operations processes through data analysis and automation.
• Provide training and support to GTM teams on interpreting reports and leveraging dashboards effectively.

RevOps Analyst

Sales

• Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by ITOps/SecOps teams, consulting pentesters, and MSSPs and MSPs.\n• We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results.\n• We’re looking for a motivated and detail-oriented Sales Enablement Program Specialist to help improve seller performance, speed up ramp time, and ensure our go-to-market teams have the tools and resources they need to succeed.\n• This role is great for someone who enjoys creating structure, collaborating across teams, and helping sales professionals be more effective. You’ll work closely with sales, marketing, and operations to support training, onboarding, and content management in a high-growth environment.\n• Key Responsibilities: Enablement Program Support; Sales Onboarding & Learning; Cross-Functional Collaboration; Content & Tools Management; Program Tracking & Improvement.

Staff Accountant

Senior Product Manager

Database Reliability Engineer

HR Business Partner

RevOps Analyst

Sales Enablement Specialist